Twitter Inc (NYSE:TWTR)’s IPO is the hottest of the year, but people have widely diverging opinions on the stock’s value (sometimes even the same person). With the public launch coming next week, Jonnelle Marte at MarketWatch polled readers to get a sense for what the average investor might think and 49% said they are interested in buying shares, but many of them are going to sit out the IPO and wait for the price to settle before making a final decision. Another 30% of respondents said they aren’t interested in Twitter Inc (NYSE:TWTR), and 20% hadn’t yet formed an opinion,…